GWR 6100 Class

Specifications
Specifications
Configuration:;
• Whyte	2-6-2T
• UIC	1′C1′ h2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	5 ft 8 in (1.727 m)
Trailing dia.	3 ft 8 in (1.118 m)
Minimum curve	6 chains (396 ft; 121 m) normal,; 5 chains (330 ft; 101 m) slow
Length	41 ft 0 in (12.50 m) over buffers
Width	8 ft 11+1⁄4 in (2.724 m)
Height	12 ft 7+5⁄8 in (3.851 m)
Axle load	17 long tons 12 cwt (39,400 lb or 17.9 t); 19.7 short tons full
Adhesive weight	52 long tons 13 cwt (117,900 lb or 53.5 t); 58.9 short tons full
Loco weight	78 long tons 9 cwt (175,700 lb or 79.7 t); 87.9 short tons full
Fuel type	Coal
Water cap.	2,000 imp gal (9,100 L; 2,400 US gal)
Firebox:
• Grate area	20.35 sq ft (1.891 m2)
Boiler pressure	225 lbf/in2 (1.55 MPa)
Heating surface:
• Firebox	121.80 sq ft (11.316 m2)
• Tubes	1,145.00 sq ft (106.374 m2)
Superheater:;
• Type	4-element or 6-element
• Heating area	4-element: 58.56 sq ft (5.440 m2),; 6-element: 77.68 sq ft (7.217 m2)
Cylinders	Two, outside
Cylinder size	18 in × 30 in (457 mm × 762 mm)
Valve gear	Stephenson
Valve type	piston valves

Type and origin
Type and origin
Power type	Steam
Designer	Charles Collett
Builder	GWR Swindon Works
Order number	Lots 269, 278, 291
Build date	1931–1933, 1935
Total produced	70

GWR 6100 Class
GWR 6100 Class
	6147 at Swindon Works on 26 April 1964 after overhaul
Power type
Type and origin
Power type	Steam
Designer	Charles Collett
Builder	GWR Swindon Works
Order number	Lots 269, 278, 291
Build date	1931–1933, 1935
Total produced	70
Configuration:;
Specifications
Configuration:;
• Whyte	2-6-2T
• UIC	1′C1′ h2t
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Leading dia.	3 ft 2 in (0.965 m)
Driver dia.	5 ft 8 in (1.727 m)
Trailing dia.	3 ft 8 in (1.118 m)
Minimum curve	6 chains (396 ft; 121 m) normal,; 5 chains (330 ft; 101 m) slow
Length	41 ft 0 in (12.50 m) over buffers
Width	8 ft 11+1⁄4 in (2.724 m)
Height	12 ft 7+5⁄8 in (3.851 m)
Axle load	17 long tons 12 cwt (39,400 lb or 17.9 t); 19.7 short tons full
Adhesive weight	52 long tons 13 cwt (117,900 lb or 53.5 t); 58.9 short tons full
Loco weight	78 long tons 9 cwt (175,700 lb or 79.7 t); 87.9 short tons full
Fuel type	Coal
Water cap.	2,000 imp gal (9,100 L; 2,400 US gal)
Firebox:
• Grate area	20.35 sq ft (1.891 m2)
Boiler pressure	225 lbf/in2 (1.55 MPa)
Heating surface:
• Firebox	121.80 sq ft (11.316 m2)
• Tubes	1,145.00 sq ft (106.374 m2)
Superheater:;
• Type	4-element or 6-element
• Heating area	4-element: 58.56 sq ft (5.440 m2),; 6-element: 77.68 sq ft (7.217 m2)
Cylinders	Two, outside
Cylinder size	18 in × 30 in (457 mm × 762 mm)
Valve gear	Stephenson
Valve type	piston valves
Tractive effort
Performance figures
Tractive effort	27,340 lbf (121.61 kN)
Operators
Career
Operators	GWR » BR
Class	6100
Power class	GWR: D; BR: 4MT
Numbers	6100–6169
Axle load class	GWR: Blue
Withdrawn	1958–1965
Disposition	One preserved, remainder scrapped

The GWR 6100 Class is a class of 2-6-2T side tank steam locomotives.